<template>
	<div class="wrapper">

		<!-- header部分 -->
		<header>
			<button class="back-arrow" @click="goBack"></button>
			<p>商家登陆</p>
		</header>

		<!-- 表单部分 -->
		<ul class="form-box">
			<li>
				<div class="title">
					手机号码：
				</div>
				<div class="content">
					<input type="text" v-model="businessPassId" placeholder="手机号码">
				</div>
			</li>
			<li>
				<div class="title">
					密码：
				</div>
				<div class="content">
					<input type="password" v-model="password" placeholder="密码">
				</div>
			</li>
		</ul>

		<div class="button-login">
			<button @click="login">登陆</button>
		</div>
		<div class="button-register">
			<button @click="Bregister">去注册</button>
		</div>
        <!-- Alert Modal -->
        <alert-modal v-if="alertVisible" :visible.sync="alertVisible" :message="alertMessage"></alert-modal>
		<!-- 底部菜单部分 -->
		<Footer></Footer>
	</div>
</template>

<script>
	import Footer from '../components/Footer.vue';
	import AlertModal from '../views/AlertModal.vue';
	import JSEncrypt from 'jsencrypt';
	export default{
		name:'Login',
		components: {
         Footer,
         AlertModal
        },
		data(){
			return {
				businessPassId:'',
				password:'',
				alertVisible: false,
		        alertMessage: '',
				PublicKey:''
			}
		},
		methods:{
			goBack() {
				console.log('Trying to go back...');
                this.$router.go(-1); // 相当于浏览器的后退操作
                },
				
				async login(){
				const regex = /^1(3\d|4[5-9]|5[0-35-9]|6[5-7]|7[0-8]|8\d|9[0-35-9])\d{8}$/;
				if(this.businessPassId==''){
					this.alertMessage = '手机号码不能为空!';
                    this.alertVisible = true;
					return;
				}
				if (!regex.test(this.businessPassId)) {
				    this.alertMessage = '手机号码不正确!';
                    this.alertVisible = true;
					return;
				  }

				
				await this.$axios.get(`businesses/key/${this.businessPassId}`).then(response => {//获取公钥
		  			this.PublicKey = response.data;
				}).catch(error => {
		  			console.error(error);
				});

				if(this.PublicKey==''||this.PublicKey==null){
					this.alertMessage = '手机号未注册！';
                    this.alertVisible = true;
					return;
				}

				if(this.password==''){
					this.alertMessage = '密码不能为空！';
                    this.alertVisible = true;
					return;
				}

				const encryptor = new JSEncrypt()
      			encryptor.setPublicKey(this.PublicKey)  // 放入公钥
      			let passwordAfterEncrypt = encryptor.encrypt(this.password)  // 加密密码

				//登录请求
				await this.$axios.post('businesses/authenticate',this.$qs.stringify({
					businessPassId:this.businessPassId,
					password:passwordAfterEncrypt
				})).then(response=>{
					let  businesser = response.data;
				if(businesser==null||businesser==''){
					this.alertMessage = '用户名或密码不正确！';
                    this.alertVisible = true;
					}else{
						//sessionstorage有容量限制，为了防止数据溢出，所以不将businesserImg数据放入session中
						//businesser.businesserImg = '';
						this.$setSessionStorage('businesser',businesser);
						this.$setLocalStorage('businesser',businesser) //把用户信息存到浏览器
						this.$router.push({path:'/index'});
					}
				}).catch(error=>{
					console.error(error);
				});
			},
			Bregister(){
				this.$router.push({path:'Bregister'});
			},
			
		},
		components:{
			Footer
		}
	}
</script>

<style scoped>
	/****************** 总容器 ******************/
	.wrapper {
		width: 100%;
		height: 100%;
	}
 /****************** 返回键 ******************/
 .back-arrow {
  position: fixed; /* 固定定位 */
  left: 2.5vw; /* 距离屏幕左端像素 */
  top: 2.5vw; /* 距离屏幕顶部像素 */
  width: 8vw; /* 使用视口宽度的百分比 */
  height: 8vw; /* 使用视口宽度的百分比，保持宽高比 */
  background-color: transparent; /* 设置背景为透明 */
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  border: none; /* 隐藏边框 */
  transition: color 0.3s ease; /* 字体颜色变化动画 */
}

.back-arrow::before {
  content: '\f053'; /* 使用 FontAwesome 的左箭头图标 */
  font-family: 'FontAwesome'; /* FontAwesome 字体 */
  font-size: 5vh; /* 使用视口高度的百分比，确保在不同设备上也合适 */
  color: #fff; /* 字体颜色 */
  transition: color 0.3s ease; /* 字体颜色变化动画 */
}

.back-arrow:hover::before {
  color: #dc0aaf; /* 鼠标悬停时的颜色变化 */
}
	/****************** header部分 ******************/
	.wrapper header {
		width: 100%;
		height: 12vw;
		background-color: #da4798;
		color: #fff;
		font-size: 4.8vw;

		position: fixed;
		left: 0;
		top: 0;
		z-index: 1000;

		display: flex;
		justify-content: center;
		align-items: center;
	}

	/****************** 表单部分 ******************/
	.wrapper .form-box {
		width: 100%;
		margin-top: 12vw;
	}

	.wrapper .form-box li {
		box-sizing: border-box;
		padding: 4vw 3vw 0 3vw;
		display: flex;
		align-items: center;
	}

	.wrapper .form-box li .title {
		flex: 0 0 18vw;
		font-size: 3vw;
		font-weight: 700;
		color: #666;
	}

	.wrapper .form-box li .content {
		flex: 1;
	}

	.wrapper .form-box li .content input {
		border: none;
		outline: none;
		width: 100%;
		height: 4vw;
		font-size: 3vw;
	}

	.wrapper .button-login {
		width: 100%;
		box-sizing: border-box;
		padding: 4vw 3vw 0 3vw;
	}

	.wrapper .button-login button {
		width: 100%;
		height: 10vw;
		font-size: 3.8vw;
		font-weight: 700;
		color: #fff;
		background-color: #38CA73;
		border-radius: 4px;

		border: none;
		outline: none;
	}

	.wrapper .button-register {
		width: 100%;
		box-sizing: border-box;
		padding: 4vw 3vw 0 3vw;
	}

	.wrapper .button-register button {
		width: 100%;
		height: 10vw;
		font-size: 3.8vw;
		font-weight: 700;
		/*与上面登陆按钮不同的只有颜色、背景色、边框不同*/
		color: #666;
		background-color: #EEE;
		border: solid 1px #DDD;
		border-radius: 4px;

		border: none;
		outline: none;
	}

	.wrapper .button-mybusiness {
		width: 100%;
		box-sizing: border-box;
		padding: 4vw 3vw 0 3vw;
	}

	.wrapper .button-mybusiness button {
		width: 100%;
		height: 10vw;
		font-size: 3.8vw;
		font-weight: 700;
		/*与上面登陆按钮不同的只有颜色、背景色、边框不同*/
		color: #ffffff;
		background-color: #ea4a62;
		border: solid 1px #DDD;
		border-radius: 4px;

		border: none;
		outline: none;
	}

	/****************** 底部菜单部分 ******************/
	.wrapper .footer {
		width: 100%;
		height: 14vw;
		border-top: solid 1px #DDD;
		background-color: #fff;

		position: fixed;
		left: 0;
		bottom: 0;

		display: flex;
		justify-content: space-around;
		align-items: center;
	}

	.wrapper .footer li {
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;

		color: #999;
		user-select: none;
		cursor: pointer;
	}

	.wrapper .footer li p {
		font-size: 2.8vw;
	}

	.wrapper .footer li i {
		font-size: 5vw;
	}
</style>